Nesis III — Installation Manual
5. Outside Air Temperature Sensor
HDOP, VDOP and PDOP
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values indicates quality of the solution.
The
meaning of the DOP values is given in Tablet:gnss-dop. In general, HDOP
shall be always be less than 5.
Vertical bars at the bottom of the screen indicate quality of the signal recep-
tion. Below each bar is satellite PNR number. Green color indicate satellites
used in positional measurements.
Solution fix is shown in the top left corner. It can be one of the following
values:
None
... there is no fix. Position is not known.
2D fix
... only 2D fix is obtained. Position measurements are poor.
3D fix
... 4 or more satellites are used in solution. Position quality should
be good. See also DOP.
3D+SBAS
... 3D position is further enhanced with the SBAS system.
DOP
Rating
Description
<
1
Ideal
Highest possible confidence level.
1
−
2
Excellent
Positional measurements are considered accurate.
2
−
5
Good
Still acceptable for route navigation.
5
−
10
Moderate
Position can be used, but it should be improved.
10
−
20
Fair
Positional measurements indicate a very rough location.
>
20
Poor
Inaccurate measurements.
Table 2:
Description of pins for the serial RS-232 communication.
5
Outside Air Temperature Sensor
5.1
Installation
Outside air temperature (OAT) probe is shipped with the Nesis primary dis-
play. This is a digital temperature sensor inserted into a threaded aluminium
housing. Default OAT cable length is 1.5 meters, but other lengths are avail-
able on request.
3
DOP ... Dilution of precision. HDOP ... horizontal, VDOP ... vertical and PDOV ...
combined position.
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©
Kanardia
2018
